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Tobii Pro Spark User Manual

Tobii Pro Spark
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Tobii Pro Spark
User Manual
November 2022

Table of Contents

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Tobii Pro Spark Specifications

General IconGeneral
ConnectivityUSB 3.0
Sampling Rate60 Hz
Calibration Type5-point calibration
CompatibilityWindows 10
Accuracy0.5°

Summary

1 Introduction

1.1 Symbols Used in this Document

Explains the meaning of information, tip, and warning icons used throughout the manual.

1.2 Tobii Pro Eye Tracker Manager

Introduces the Tobii Pro Eye Tracker Manager software, a tool for managing the eye tracker.

2 System Requirements

2.1 Tobii Pro Spark System Requirements

Lists the necessary operating system, CPU, RAM, and port specifications for the device.

2.2 Additional Software Options

Details optional software like Tobii Pro Lab and SDK for advanced research and development.

3 Safety Declaration

3.1 Mounting Warning

Warns about proper mounting procedures to prevent damage and ensure safety.

3.2 Emergency Warning

Advises against relying on the eye tracker in dangerous or critical situations due to potential failure.

3.3 Epilepsy Warning

Alerts individuals with photosensitive epilepsy about potential risks from flashing lights.

3.4 Infrared Warning

Warns about infrared light and potential interference with medical devices.

3.5 Magnetic Field Warning

3.5 Magnetic Field Warning

Advises caution regarding magnets and potential interference with medical implants.

3.6 Child Safety

Highlights safety precautions for children handling or using the device.

3.7 Electricity

Warns against opening the casing due to electrical voltage and voiding warranty.

3.8 Environment

Specifies operational conditions, avoiding direct sunlight, liquids, and extreme environments.

3.9 Accessory Safety

Recommends using only accessories provided by or approved by Tobii AB.

3.10 Third-Party Use

Warns about risks associated with using third-party software or hardware with the device.

4 Compliance Declaration

4.1 EU Compliance

Details CE marking and compliance with relevant EU directives and regulations.

4.2 UKCA Compliance

Outlines UKCA marking and compliance with UK statutory instruments.

4.3 FCC Interference Statement

4.3 FCC Interference Statement

Provides FCC rules for Class B digital devices and US contact information.

4.4 ISED Statement

Confirms compliance with Canadian ICES-003 for digital apparatus.

4.5 Australia and New Zealand Compliance

States registration in the Australian National Equipment Registration System.

4.6 Japan Compliance

4.6 Japan Compliance

Indicates VCCI marking for compliance with Japanese emission standards.

4.7 Korea Compliance

Mentions KC marking for compliance with Korean safety requirements.

4.8 Safety Compliance Standards

Lists various international standards for product safety, including photobiological and equipment safety.

4.9 EMC Compliance Standards

4.9 EMC Compliance Standards

Lists standards for Electromagnetic Compatibility (EMC) requirements for multimedia equipment.

4.10 RoHS Compliance

Confirms compliance with the standard for restricting hazardous substances.

4.11 Waste Disposal and Recycling

Provides guidance on environmentally responsible disposal and recycling of the product.

5 Overview of Tobii Pro Spark

5.1 Tobii Pro Spark Versions

States that the Tobii Pro Spark is available in a single product version operating at 60 Hz.

5.2 How Tobii Pro Spark Works

Explains the core technology using infrared illuminators and image processing for eye tracking.

5.3 What Is in the Pro Spark Box

5.4 USB Type-C to Type-A Adapter Usage

5.4 USB Type-C to Type-A Adapter Usage

Instructions on how to use the included USB adapter for Type-C computer ports.

5.5 Tobii Accessories

Information on where to find additional Tobii products and accessories.

6 Set Up Your Tobii Eye Tracker

6.1 Software Installation

Guides on downloading and installing the Tobii Pro Eye Tracker Manager software.

6.2 Install Tobii Pro Spark

Steps to install the eye tracker within the Tobii Pro Eye Tracker Manager software.

6.3 Mount the Eye Tracker

Instructions for physically attaching the eye tracker to a laptop or monitor, considering bezel thickness.

6.4 Display Setup in Software

6.4 Display Setup in Software

Steps to configure screen settings and eye tracker position within the software.

6.5 Calibration

Instructions for calibrating the eye tracker to ensure accurate gaze point mapping.

6.5.1 What Calibration Does

6.5.1 What Calibration Does

Explains the purpose and benefits of individual eye tracker calibration for accuracy.

6.6 Detach the Eye Tracker

Instructions for safely removing the eye tracker from its mounting.

7 Display Setups

7.1 Standard Setup

Describes the typical setup for monitors up to 27 inches, attaching below the screen.

7.2 Advanced Setup

Covers alternative setups not attached to the screen bezel, like using a tripod.

7.3 Setup with Tripod Stand

Details setting up the eye tracker using the optional Tobii Pro Tripod Stand.

8 Start Experimenting

8.1 Start Eye Tracking

How to initiate eye tracking and verify its functionality using Gaze Visualization.

8.2 Tobii Pro Lab

Overview of Tobii Pro Lab for data recording, analysis, and interpretation of eye gaze.

8.3 Keep Software Updated

Emphasizes the importance of keeping eye tracker software and firmware updated for performance.

8.4 Keep Display Setup Updated

Reminder to update display setup when changing computers or display configurations.

8.5 Customer Care

9 Product Care

9.1 Operational Environment

Specifies the recommended temperature and humidity ranges for operating the eye tracker.

9.2 Transport and Storage

Provides guidelines for safely transporting and storing the eye tracker, including temperature limits.

9.3 Cleaning

Instructions and precautions for cleaning the eye tracker's surface without causing damage.

9.4 Disposing of the Eye Tracker

Guidance on proper disposal according to local regulations for electronic waste.

9.5 Limitation of Liability

Legal disclaimer regarding Tobii AB's liability for product use or misuse.

10 Technical Specifications

10.1 Eye Tracking Specifications

Detailed technical specifications for the eye tracking technique, sampling frequency, and accuracy.

10.2 Setup Specifications

Technical details related to setup, including head movement tolerance and optimal screen size.

10.3 Software Compatibility

10.3 Software Compatibility

Lists compatible software frameworks and operating systems for the eye tracker.

10.4 Hardware Versions

Information on the available hardware versions of the Tobii Pro Spark.

10.5 Tobii Pro Spark Specifications

Specific technical details like dimensions, weight, connectors, and camera modules.

Appendix A Customer Care, Training, and Warranty

A1 Customer Care

Information on how to contact Tobii's Customer Care team for assistance.

A1.1 Get Help Online

Details on accessing online resources, articles, FAQs, and downloads for support.

A2 Training and Education Services

Information on training programs, interactive sessions, and e-learning for users.

A3 Warranty Information

Guidance on where to find warranty details and policies for the product.

Appendix B Limitations and Considerations

B1 Intended Use

Defines the intended research applications and usage guidelines for the eye tracker.

B2 Light Conditions

Recommends optimal light conditions, advising against direct sunlight due to interference.

B3 Eye Lashes

Discusses how eyelashes can obstruct view and affect tracking accuracy.

B4 Droopy Eyelids

Explains how droopy eyelids can impede tracking by blocking pupil visibility.

Appendix C Glossary

Accuracy

Defines accuracy as the spatial angular variation between measured and actual gaze points.

Binocular Calibration

Explains the process of calibrating both eyes simultaneously for independent data processing.

Binocular Eye Tracking

Describes the tracking and reporting of data for both the left and right eyes.

Blink Recovery Time

Time taken for the tracker to resume gaze tracking after an eye blink.

Bright Pupil Tracking

Describes the method of capturing eye images with illuminated pupils for tracking.

Dark Pupil Tracking

Describes the method of capturing eye images with darker pupils for tracking.

Data Sample Output

Lists the types of data points provided by the eye tracker, such as gaze origin and pupil diameter.

Freedom of Head Movement

Defines the spatial region where a participant can move their head while maintaining tracking.

Gaze Recovery Time

Time for the tracker to re-establish gaze detection after temporary loss of visibility.

Maximum Gaze Angle

Maximum Gaze Angle

Defines the maximum angle at which the tracker can perform robust eye tracking.

Maximum Screen Size

Specifies the largest screen size supported for standard eye tracker mounting.

Operating Distance

Defines the range of distances for effective eye tracking between eyes and sensors.

Precision

Defines spatial angular variation between individual and consecutive gaze samples.

Sampling Frequency

The number of data samples output per second for each eye, expressed in Hz.

Total System Latency

Duration from image exposure to data availability via the API on the client computer.

Tracker and Client Time Synchronization

Process for synchronizing device time with client computer time to compensate for drift.

Video-based PCCR Eye Tracking

Explains the core technique using cameras and illuminators to capture eye reflections.

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